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Expert Réseau (H/F)

LILLE, fr💼 Full-time🗓 2026-01-21 → 2026-07-31

Core

Infrastructure Integration & Technology Specialist designing, securing, and maintaining enterprise IT infrastructure networks and solutions.

Role type

Senior IC Network Infrastructure Architect & Pre-Sales Engineer

Builds

Packaged industrial offers, technical proposals, and secure network architectures for clients

Domain

IT Infrastructure, Network Engineering, Cybersecurity

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Network architecture design, Firewall management, Cloud networking, SD-WAN, MPLS, BGP/OSPF routing, VLAN/LAG configuration, Security by design, Vendor relationship management, Technical estimation, Pre-sales coordination

Preferred skills

Automation & APIs (REST), Cross-connect management, Anti-DDoS implementation, Load Balancer configuration, WAF/Proxy management, ITIL methodology, Agile practices

Technologies

Fortinet, Juniper, Cisco, Palo Alto, Stonesoft, F5, HP, Brocade, Checkpoint, Megaport, Expereo, Cloud networking

Responsibilities

Pilot technical design and ensure security/compliance of IT infrastructure solutions, Participate in pre-sales activities and prepare technical proposals for new business, Manage vendor relationships and monitor market technological evolutions, Estimate workload for Build & Run activities, Build packaged industrial offers for outsourcing clients, Conduct functional and technical audits and network migration support

Seniority

Senior, hands-on IC with pre-sales responsibilities

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